1120440412 has 48 divisors (see below), whose sum is σ = 2540285440. Its totient is φ = 419919552.

The previous prime is 1120440407. The next prime is 1120440457. The reversal of 1120440412 is 2140440211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1120440412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74088 + ... + 87919.

Almost surely, 2^1120440412 is an apocalyptic number.

It is an amenable number.

1120440412 is an abundant number, since it is smaller than the sum of its proper divisors (1419845028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120440412 is a wasteful number, since it uses less digits than its factorization.

1120440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162050 (or 162048 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1120440412 is about 33472.9803274223. The cubic root of 1120440412 is about 1038.6349237649.

Adding to 1120440412 its reverse (2140440211), we get a palindrome (3260880623).

The spelling of 1120440412 in words is "one billion, one hundred twenty million, four hundred forty thousand, four hundred twelve".